#!/usr/bin/env python
# -*- encoding: utf-8 -*-
# Project: spd-sxmcc
"""
@author: lyndon
@time Created on 2019/2/18 15:08
@desc
"""


from Queue import Queue


q = Queue(0)
print(q.qsize())
maxth = 20

a = min(maxth, q.qsize())
print(a)